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//*****************************************************************************
// Copyright 2017-2018 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//*****************************************************************************
#include <memory>
#include "gtest/gtest.h"
#include "ngraph/log.hpp"
#include "ngraph/ngraph.hpp"
#include "ngraph/pass/inliner.hpp"
#include "ngraph/pass/manager.hpp"
#include "util/test_tools.hpp"
using namespace ngraph;
using namespace std;
TEST(inline, basic)
{
Shape shape{2, 2};
auto A = make_shared<op::Parameter>(element::f32, shape);
auto B = make_shared<op::Parameter>(element::f32, shape);
auto C = make_shared<op::Parameter>(element::f32, shape);
auto f = make_shared<Function>((A + B) * C, ParameterVector{A, B, C});
auto X = make_shared<op::Parameter>(element::f32, shape);
auto Y = make_shared<op::Parameter>(element::f32, shape);
auto Z = make_shared<op::Parameter>(element::f32, shape);
auto fc1 = make_shared<op::FunctionCall>(f, NodeVector{X, Y, Z});
auto fc2 = make_shared<op::FunctionCall>(f, NodeVector{X, Y, Z});
auto g = make_shared<Function>(fc1 + fc2, ParameterVector{X, Y, Z});
auto ih = std::make_shared<ngraph::pass::InlineSmallCalls>(10, 1);
pass::Manager pass_manager;
pass_manager.register_pass<pass::Inliner>(ih);
auto bc = g->get_ops().size();
pass_manager.run_passes(g);
auto ac = g->get_ops().size();
ASSERT_EQ(count_ops_of_type<op::FunctionCall>(g), 0); // check that FunctionCalls disappear
ASSERT_LT(bc, ac); // we should get more ops after inlining
}
TEST(inline, recursive)
{
Shape shape{2, 2};
auto A = make_shared<op::Parameter>(element::f32, shape);
auto B = make_shared<op::Parameter>(element::f32, shape);
auto f = make_shared<Function>((A + B), ParameterVector{A, B});
auto X = make_shared<op::Parameter>(element::f32, shape);
auto Y = make_shared<op::Parameter>(element::f32, shape);
auto fc1 = make_shared<op::FunctionCall>(f, NodeVector{X, Y});
auto g = make_shared<Function>(make_shared<op::Negative>(fc1), ParameterVector{X, Y});
auto P1 = make_shared<op::Parameter>(element::f32, shape);
auto P2 = make_shared<op::Parameter>(element::f32, shape);
auto P3 = make_shared<op::Parameter>(element::f32, shape);
auto fc2 = make_shared<op::FunctionCall>(g, NodeVector{P1, P2});
auto e = make_shared<Function>(fc2 * P3, ParameterVector{P1, P2, P3});
auto ih = std::make_shared<ngraph::pass::InlineSmallCalls>(15, 2);
pass::Manager pass_manager;
pass_manager.register_pass<pass::Inliner>(ih);
auto bce = e->get_ops().size();
pass_manager.run_passes(e);
auto ace = e->get_ops().size();
ASSERT_EQ(count_ops_of_type<op::FunctionCall>(g), 0); // check that FunctionCalls disappear
ASSERT_EQ(count_ops_of_type<op::Add>(g), 1); // FunctionCall is replaced w/ Add
ASSERT_EQ(count_ops_of_type<op::FunctionCall>(e), 0);
ASSERT_LT(bce, ace); // we should get more ops after inlining
}